Re: Meaning of samples and isosamples with pm3d hidden3d?

[Thomas S. <t.s...@fz...>]

if you plot 'with linespoints' (no pm3d) everything works:

set isosamples n_iso_x,n_iso_y
sets the number of "scanlines" in y- or x-direction, resp.

set samples n_x,n_y
set the number of points along the above "scanlines"

an example:
gnuplot> set samples 5,25
gnuplot> set isosamples 3,5
gnuplot> splot  exp(-x**2-y**2) with linespoints

if you now 'set pm3d' something really strange happens:
the number of pm3d-surface edges in x-direction is n_x,
but in y-direction it is n_iso_y.

gnuplot> set pm3d
gnuplot> replot

this gives the strange behaviour in your example.

the number of pm3d-surfaces edges should be either
n_x,n_y
or
n_iso_x,n_iso_y
but not a mixture of both, i think, but maybe there
is a good reason for the status quo?


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